401023760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2332

約数の個数: 80

約数和(自身を含む): 973715952

約数和(自身を除く): 572692192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 244, 296, 305, 370, 488, 592, 610, 740, 976, 1220, 1480, 2221, 2257, 2440, 2960, 4442, 4514, 4880, 8884, 9028, 11105, 11285, 17768, 18056, 22210, 22570, 35536, 36112, 44420, 45140, 82177, 88840, 90280, 135481, 164354, 177680, 180560, 270962, 328708, 410885, 541924, 657416, 677405, 821770, 1083848, 1314832, 1354810, 1643540, 2167696, 2709620, 3287080, 5012797, 5419240, 6574160, 10025594, 10838480, 20051188, 25063985, 40102376, 50127970, 80204752, 100255940, 200511880, 401023760]

約数ペア:

[(1, 401023760), (2, 200511880), (4, 100255940), (5, 80204752), (8, 50127970), (10, 40102376), (16, 25063985), (20, 20051188), (37, 10838480), (40, 10025594), (61, 6574160), (74, 5419240), (80, 5012797), (122, 3287080), (148, 2709620), (185, 2167696), (244, 1643540), (296, 1354810), (305, 1314832), (370, 1083848), (488, 821770), (592, 677405), (610, 657416), (740, 541924), (976, 410885), (1220, 328708), (1480, 270962), (2221, 180560), (2257, 177680), (2440, 164354), (2960, 135481), (4442, 90280), (4514, 88840), (4880, 82177), (8884, 45140), (9028, 44420), (11105, 36112), (11285, 35536), (17768, 22570), (18056, 22210)]